# TCS Aptitude Test 1

## Question No : 1

If the word 'ddosszm' is changed to 'central' then what will be the change for 'rtjbl' ?

 A. manual B. quick C. jump D. life

## Question No : 2

What is the largest prime number in 8 digit number?

 A. 251 B. 253 C. 251 D. 257

## Question No : 3

The word unimpressive was given. They asked us to do change 1st & 2nd,3rd & 4th,so on. Then they asked what will be 10th letter from right?

 A. L B. M C. N D. O

## Question No : 4

g[0]=1,g[1]=-1,g[n]=2*g[n-1]-3*g[n-2] then calculate g[4]= ?

 A. 1 B. -1 C. 2 D. -2

## Question No : 5

Complete the series : 5,6,7,8,10,11,14,..?

 A. 17 B. 15 C. 14 D. 17

## Question No : 6

A man,a woman and a boy finish work together in 6 days.man takes 10 days,woman takes 24 days then how much boy will take?

 A. 30 days B. 40 days C. 20 days D. 35 days

## Question No : 7

The matrix of a(7,9) was given. The address of the first byte of a(1,1)=1258. It takes 4 bytes to store the nuymber.

Then calculate the address of the last byte of a(5,8). [Assume row major form]

 A. 1434 B. 1433 C. 1473 D. 1474

## Question No : 8

The program requires 4000(n)1/2 [ie square root of n]. If size of program was increased by 1% then calculate the percentage change in size of program.

 A. 0.4968% B. 0.4688% C. 0.4988% D. 0.4686%

## Question No : 9

modulo(373,7) + round(5.8) + truncat(7.2) - round(3.4) = ?

 A. 10 B. 12 C. 18 D. 20

## Question No : 10

If VXUPLVH is written as SURMISE, what is SHDVD ?

 A. PEAFG B. PEASA C. CCASA D. NMASA

## Question No : 11

If DDMUQZM is coded as CENTRAL then RBDJK can be coded as ---------

 A. QCEIO B. FCEIL C. QCEIL D. QCESF

## Question No : 12

In the word ECONOMETRICS, if the first and second , third and forth ,forth and fifth, fifth and sixth words are interchanged up to the last letter, what would be the tenth letter from right?

 A. D B. S C. N D. J

## Question No : 13

Find the result of the following expression if, M denotes modulus operation, R denotes round-off, T denotes truncation: M(373,5)+R(3.4)+T(7.7)+R(5.8)

 A. 22 B. 12 C. 44 D. 19

## Question No : 14

Find the physical quantity in units from the equation: (Force*Distance)/(Velocity*Velocity)

 A. Ns2/cm B. Ns/m C. Ns2/m D. Ns2

## Question No : 15

Find the value of @@+25-++@16, where @ denotes "square" and + denotes "square root".

 A. 621 B. 567 C. 234 D. 921

## Question No : 16

If f(0)=1 and f(n)= f(n-1)*n, find the value of f(4).

 A. 25 B. 24 C. 23 D. 22

## Question No : 17

Convert the decimal number 310 to the base 6.

 A. 1272 B. 1267 C. 1246 D. 1234

## Question No : 18

Find the missing number in the series: 2, 5,__ , 19 , 37, 75

 A. 6 B. 7 C. 8 D. 9

## Question No : 19

In a two-dimensional array, X(9,7), with each element occupying 4 bytes of memory, with the address of the first element X(1,1) is 3000, find the address of X(8,5).

 A. 3212 B. 3196 C. 3168 D. 3216

## Question No : 20

Find the fourth row, having the bit pattern as an integer in an 8-bit computer, and express the answer in its decimal value.
A 0 0 0 0 1 1 1 1
B 0 0 1 1 0 0 1 1
C 0 1 0 1 0 1 0 1
(AU(B-C)) ?

 A. 28 B. 29 C. 30 D. 31

## Question No : 21

Complete the series 2, 7, 24, 77,__

 A. 220 B. 240 C. 260 D. 280

## Question No : 22

If the vertex (5,7) is placed in the memory. First vertex (1,1) ?s address is 1245 and then address of (5,7) is ----------

 A. 1269 B. 1358 C. 1129 D. 1279

## Question No : 23

In Madras , temperature at noon varies according to -t^2/2 + 8t + 3, where t is elapsed time. Find how much temperature more or less in 4pm to 9pm.

 A. 7.5 B. 8.4 C. 34.5 D. 27

## Question No : 24

The size of the bucket is N kb. The bucket fills at the rate of 0.1 kb per millisecond. A programmer sends a program to receiver. There it waits for 10 milliseconds. And response will be back to programmer in 20 milliseconds. How much time the program takes to get a response back to the programmer, after it is sent?

 A. 30 B. 35 C. 55 D. 50

## Question No : 25

The size of a program is N. And the memory occupied by the program is given by M = square root of 100N. If the size of the program is increased by 1%
then how much memory now occupied ?

 A. SQRT(200N) B. SQRT(101N) C. SQRT(111N) D. SQRT(102N)

## Question No : 26

A power unit is there by the bank of the river of 750 meters width. A cable is made from power unit to power a plant opposite to that of the river and
1500mts away from the power unit. The cost of the cable below water is Rs. 15/- per meter and cost of cable on the bank is Rs.12/- per meter. Find the total
of laying the cable.

 A. 22,300 B. 22,400 C. 22,500 D. 22,600

## Question No : 27

If A can copy 50 pages in 10 hours and A and B together can copy 70 pages in 10 hours, how much time does B takes to copy 26 pages?

 A. 11 B. 12 C. 13 D. 14

## Question No : 28

Two stations A & B are 110 km apart. One train starts from A at 7 am, and travels towards B at 20kmph. Another train starts from B at 8 am and
travels towards A at 25kmph. At what time will they meet?

 A. 9am B. 10am C. 11am D. 10.30am

## Question No : 29

If a man can swim downstream at 6kmph and upstream at 2kmph, his speed in still water is:

 A. 4 B. 8 C. 3 D. 6

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